One of the interesting features of this mosque is the echo of sound in the center of the gigantic dome in the southern section. The height of which is 52 m. and the minarets therein 48 m. Whereas, the minarets at its portal in the Naqsh-e-Jahan Square reach an elevation of 42 m. The huge one-piece marble and other slabs of stone, besides the intricate tile work and adornments prove extremely spectacular.